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a) Lack of management of sevage waste
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A. LACK OF MANAGEMENT OF SEWAGE TREATMENT
B. Sewage treatment generally involves three stages, called primary, secondary and tertiary treatment. Primary treatment consists of temporarily holding the sewage in a quiescent basin where heavy solids can settle to the bottom while oil, grease and lighter solids float to the surface.
C.In situ burning: Freshly spilled oil is ignited while it’s still floating on the water.
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